<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>6.回顾css过渡</title>
    <style>
        *{
          margin: 0;
          padding: 0;
        }
        h1 {
          background-color: orange;
          font-size: 60px;
          transition: 1s linear;
        }
        .go-end {
          transform: translateX(-100%);
        }
    </style>
  </head>
  <body>
    <h1>你好啊</h1>
  </body>
</html>